OperaTenor

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Re: OperaTenor

Postby BigJon » Tue May 18, 2004 4:39 pm

Originally posted by treebeau:
Think Tony Randall!
What timing considering he died today. His kids are 7 and 5. Perhaps this is harsh, but I find it kinda selfish that he had these kids so late in life and now they are without Dad at these ages. I think about these things as I am approaching 40 and considering having more kids. At least I can hope for 30-some good years if the Lord blesses me with an average life span.

BigJon
Even a blind nut finds a squirrel once in a while. – Me! Feb 9, 2001
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Re: OperaTenor

Postby piqaboo » Tue May 18, 2004 4:43 pm

All that extra schooling will getcha! I planned to work for 9 months then go to grad school. That was 20 continuously employed years ago. :D

New data, fresh out [from mice, naturlich]:
its more probable your female gametes are being freshly created thru-out your fertile life. That makes the whole increased trisomy occurence with maternal age thing make much more sense.

Eggs that were properly created would find it challenging to then replicate a single chromosome as would be needed to create a trisomy embryo.
But, older cells going thru meiosis may be more susceptible to uneven chromosome division leading to gametes with 2 copies of a given chromosome and other gametes with no copies of that chromosome. Presumably unisomy embryos are non-viable, so miscarried very quickly after fertilization.

I'm so far off my plan its laughable, and life is as good as its ever been. Plans are nice and they are fun to laugh at in hind sight! :D :D
[and by great fortune, important aspects of my dream/plan were still available to me, despite the odds.] <Do we have a "Singing in Joy {and no small measure of relief}" icon?>
Altoid - curiously strong.
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Re: OperaTenor

Postby Selma in Sandy Eggo » Tue May 18, 2004 4:53 pm

Plans? You guys had plans?
>^..^<
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Re: OperaTenor

Postby piqaboo » Tue May 18, 2004 5:37 pm

Originally posted by Selma in San Diego:
Plans? You guys had plans?
LOL!!!!!

No, no.!!! LOL again! (well, yeah, sorta. Really vague ones. More like WABS than plan).
More helpless LOL!

Once upon my childhood, I had plans of how life would be when I grew up. It took me a lot longer to grow up than planned, and other deviations along the way resulted in most of my life having no resemblance to those plans in anyway.
Altoid - curiously strong.
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Re: OperaTenor

Postby blueiris » Tue May 18, 2004 5:53 pm

Piq and OT: Congrats on letting VJ "out of bag", so to speak. :D :D :D
"I'm trying to arrange my life so that I don't even have to be present."
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Re: OperaTenor

Postby piqaboo » Tue May 18, 2004 6:13 pm

Leigh, thanks.
She's actually under strict orders to stay in this old bag a while longer yet! ;)
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Re: OperaTenor

Postby dai bread » Tue May 18, 2004 9:10 pm

Oh dear! I haven't been paying attention!

Very belated congrats to all!
We have no money; we must use our brains. -Ernest Rutherford.
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Re: OperaTenor

Postby blueiris » Tue May 18, 2004 10:10 pm

Originally posted by piqaboo:

She's actually under strict orders to stay in this old bag a while longer yet! ;)
"I'm trying to arrange my life so that I don't even have to be present."
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Re: OperaTenor

Postby blueiris » Tue May 18, 2004 10:12 pm

Darn fingers! Meant to say: I'm sure she's very content in her comfy "bag". :)
"I'm trying to arrange my life so that I don't even have to be present."
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Re: OperaTenor

Postby monkeymd2b » Wed May 19, 2004 4:36 pm

Originally posted by piqaboo:
New data, fresh out [from mice, naturlich]:
its more probable your female gametes are being freshly created thru-out your fertile life. That makes the whole increased trisomy occurence with maternal age thing make much more sense.

Eggs that were properly created would find it challenging to then replicate a single chromosome as would be needed to create a trisomy embryo.
But, older cells going thru meiosis may be more susceptible to uneven chromosome division leading to gametes with 2 copies of a given chromosome and other gametes with no copies of that chromosome. Presumably unisomy embryos are non-viable, so miscarried very quickly after fertilization.
Hmmm...where did you get this info? :confused: Every article I found from journals all say that gametes basically stop being made (by mitosis from other oogonia) around the 5th month (+/- a few weeks) in utero where the number is about 6 million oocytes (eggs). By birth, the number is about 2-3 million oocytes that are arrested in prophase of Meiosis I (cell division without chromosome replication). At puberty, this is further decreased and throughout the female reproductive lifespan, for every oocyte that is released, a bunch more have died off. However, follicular development does occur during this time. Follicular development and oocyte production are not synonymous. The follicule is entire structure that the oocyte is within.

Since oocytes no longer replicate chromosomes after 5 months in utero, not only would replicating chromosomes to create a trisomy embryo be challenging but basically impossible. The older cell bit of info does agree with everything I've read or been taught by various profs and is one reason why trisomies increase with advanced maternal age. And the only unisomy that is viable is Turner Syndrome (monosomy of the X chromosome).

Sorry, I know you didn't ask for any boring comment about it but what you found just didn't sound right. Please let me know where you read that cause I'd be curious to read it and maybe ask some of my profs about it.
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Re: OperaTenor

Postby monkeymd2b » Wed May 19, 2004 5:06 pm

just found the Nature article piq was talking about. Still not so sure...of course, the only true way of knowing if this applies to us is to convince a bunch of women to do a crapload of genetic manipulation (they used transgenic mice) and inject a bunch of chemicals and then mate these women and examine their girl babies. Any volunteers? I'll ask one of the reproductive endocrinologists what he thinks since I'm now curious...as if I didn't have other curiousities to follow up on let alone learning about growth and development.
Simple words to live by...

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Re: OperaTenor

Postby piqaboo » Wed May 19, 2004 5:32 pm

Let me know what the endocrinologist thinks.
Thanks!
Altoid - curiously strong.
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Re: OperaTenor

Postby OperaTenor » Tue Feb 07, 2006 6:52 pm

It was three years ago yesterday......
"To help mend the world is true religion."
- William Penn

http://www.one.org
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Re: OperaTenor

Postby Selma in Sandy Eggo » Tue Feb 07, 2006 6:58 pm

Originally posted by OperaTenor:
It was three years ago yesterday......
And we're glad you survived. How's the Altoid?

He's still riding bikes, folks. But he's got the best skid suit I ever did see, and his hat qualifies as a piece of modern art...
>^..^<
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Re: OperaTenor

Postby Marye » Tue Feb 07, 2006 10:52 pm

I'm glad you survived, OT... the world is a better place.
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Re: OperaTenor

Postby OperaTenor » Wed Feb 08, 2006 1:45 am

Originally posted by Marye:
I'm glad you survived, OT... the world is a better place.
Some people say the nicest things...

:) :o
"To help mend the world is true religion."
- William Penn

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Re: OperaTenor

Postby RC » Wed Feb 08, 2006 7:11 am

It's a beautiful thing.
A man is the sum of his actions, of what he has done, of what he can do, Nothing else.
Mahatma Mohandas K. Gandhi
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Re: OperaTenor

Postby barfle » Wed Feb 08, 2006 9:10 am

Break a leg, bro!

Oh, I see you've already done that.

It was quite a year, wasn't it?
--I know what I like--
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Re: OperaTenor

Postby OperaTenor » Wed Feb 08, 2006 11:50 am

Originally posted by RC:
It's a beautiful thing.
Hey! Look who popped up out of nowhere!

:D

Hi Barfle,

More like, it's been quite an ever-since-then!

:D

<small>[ 02-08-2006, 11:52 AM: Message edited by: OperaTenor ]</small>
"To help mend the world is true religion."
- William Penn

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Re: OperaTenor

Postby Schmeelkie » Tue Apr 06, 2010 11:06 am

OT, not sure if you're in this age bracket yet, but a warning...

http://futurity.org/health-medicine/senior-road-warriors-losing-the-safety-battle/

Safe riding!
"Up plus down equals flat" Pumpkin, 3 yrs, 10 mo, July '07
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